trial and test I apologize about the previous upload ... https://www.youtube.com/watch?v=kqm1f7ECUmM

Start at Underground parking garage. Get the handgun on the car exchange the .45 handgun clip. Go to B1F East hall first. Equip the handgun, shoot the exposive object to blowout the zombie. Go to Autopsy room and get the jewelry. Return to the Underground parking garage, push out the box that you can go to Police station front entrance. Get all herbs at the entrance. There are 4 green herbs, 1 red herb and 2 blue herbs. Mix them to be RGB and GGB mixed herb and give them to George. (remaind 1 green herb) Go to Main Hall. Mix other herbs to be GGB herb and give it to George. Go to Reception desk. Open the right draw, get the white pill and give it to George. Read the file to get the password. Go to 1F lobby, kill the zombie with 7 shots (if close enough, 6 shots). Go to Hallway, kill the zombie with 7 shots (if close enough, 6 shots). Get the first green herb, be careful there is a zombie break the window if you get close. Get the red herb and mix with green herb. Get into Wihness interropation room. Get the jewelry in the cupboard. Before return to the Main Hall, watch out some zombies will break into. Remove the coin and place 2 jewelries on the statue. Equip the .45 Handgun. Go to Easy office. Kill the zombie and open the safe box and get the data file (if close enough, 1 shot). I suggest unlock the door first, before you go to Emergency stairwell. Go to Emergency stairwell. Get the green herb, and blue herb mix into RGB mixed herb. In Waiting room, push the box to the left side. In 1F east hall, there are 2 lickers. If you do not meet the male police zombie again, wait front of Night-duty room a moment. Get into Night-duty room, get the red herb mix into RG mixed herb. Give the RGB mixed herb to George. Open the Kevin's lock and get the key and .45 bullet clip. Go to B1F easy hall and wait in Substation room come in. (the first aim is avoid the poisonous gas) Go to Underground parking garage, wait front of B1F West hall before the zombie crash the door. In B1F West hall, crash down the zombie, then equip the .45 handgun and use the key to open the door of Kennel. In the Kennel, let partners wait at the door. Run into the end of the path, then shoot the dogs immediately. YOU MUST KILL THEM ALL ! 3 shots each, then reload. Get the blue herb mix into RGB mixed herb, and jewelry. Give the RGB mixed herb to George. Return to the B1F Westhall, get the white pill beside the desk. In the Holding cell, get the green herb and blue herb and mixed them into GB mixed herb. Give the data file to Ben, then he will give you a jewelry. Return to the B1F Westhall, get the red herb mix into RGB mixed herb. Return to Underground parking garage. Get back the .45 handgun clip. Then go to the Police station front entrance. Give the RGB mixed herb ... https://www.youtube.com/watch?v=CbAtbKE2O-M